Unknown & Unclassified nonprofits in Texas

Unknown & Unclassified nonprofits in Texas. Browse 39,901 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. Institute of Industrial and Systems Engineers South Texas Chapter

    EIN 922284381 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Institute of Industrial Engineers Inc

    EIN 237396754 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Institute of Industrial Engineers Inc

    EIN 237405136 · Headquarters: Arlington, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Institute of Industrial Engineers Inc

    EIN 756053416 · Headquarters: Mansfield, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Institute of Internal Auditors

    EIN 455600709 · Headquarters: BRYAN, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Institute of Internal Auditors

    EIN 474229568 · Headquarters: Lubbock, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Institute of Internal Auditors

    EIN 741867971 · Headquarters: SAN ANTONIO, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. Institute of Internal Auditors

    EIN 742124853 · Headquarters: El Paso, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Institute of Internal Auditors

    EIN 742284530 · Headquarters: Austin, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Institute of Internal Auditors

    EIN 751511620 · Headquarters: Fort Worth, TX, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  11. Institute of Internal Auditors Dallas Chapter

    EIN 751584081 · Headquarters: PLANO, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Institute of Internal Auditors Houston Chapter

    EIN 237407276 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Institute of Management Accountants

    EIN 756239351 · Headquarters: DALLAS, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Institute of Management Accountants Inc

    EIN 237353159 · Headquarters: SAN ANTONIO, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Institute of Management Accountants Inc

    EIN 237353161 · Headquarters: EL PASO, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Institute of Management Accountants Inc

    EIN 237353165 · Headquarters: THE WOODLANDS, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Institute of Management Accountants Inc

    EIN 237353294 · Headquarters: AUSTIN, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Institute of Management Accountants Inc

    EIN 237413291 · Headquarters: Fair Oaks Ranch, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Institute of Modern Russian Culture at Blue Lagoon Texas Inc

    EIN 742034533 · Headquarters: Austin, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Institute of Nautical Archaeology

    EIN 237210709 · Headquarters: COLLEGE STATION, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Institute of Nautical Archaeology Foundn

    EIN 742340987 · Headquarters: COLLEGE STATION, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Institute of Real Estate Management Chapter No 84 El Paso

    EIN 475090696 · Headquarters: EL PASO, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. Institute of Real Estate Management of the Natl Assn of Realtors

    EIN 363527225 · Headquarters: Hurst, TX, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  24. Institute of Real Estate Management-natl Assoc Realtors-dallas Chapter 14 Inc

    EIN 752354417 · Headquarters: PLANO, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Institute of Supply Management-Rio Grande Valley

    EIN 742450504 · Headquarters: Brownsville, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Institute of Transportation Engineers - Brazos Valley Section

    EIN 814258274 · Headquarters: College Station, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Instructional Materials Coordinators' Assoc of Tx

    EIN 760461362 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Insurance Council of Texas

    EIN 742662845 · Headquarters: Austin, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Insurance Women of Austin

    EIN 746067299 · Headquarters: Austin, TX, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  30. Int Union of Elec Workers Local Union 86787

    EIN 750879052 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Int'l Assn of Bridge Structural and Ornamental Iron Workers Lu 66

    EIN 740706000 · Headquarters: SAN ANTONIO, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Int'l Assoc of Bridge Struc Ornamental & Reinforc Iron Workers #84

    EIN 740707435 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Int'l Assoc of Fire Fighters Local 341

    EIN 740947493 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Int'l Society for Burn Injuries

    EIN 860550881 · Headquarters: LEAGUE CITY, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Integrity at Work - Iwork

    EIN 752211678 · Headquarters: Flower Mound, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Intentional Referrals

    EIN 834274214 · Headquarters: Pflugerville, TX, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  37. Inter Faith Service Council of Odessa

    EIN 752042165 · Headquarters: ODESSA, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Inter Instit of Synthetic Rubber Prod Inc

    EIN 131929277 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Inter-american Educational Consortium

    EIN 741666691 · Headquarters: Austin, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Interact Club of Xavier

    EIN 464847345 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  41. Interbelt North Business Center Oa

    EIN 760381327 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Intercontinental Science Booster Club

    EIN 823591572 · Headquarters: Grand Prairie, TX, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  43. Intercorp Credit Union

    EIN 750730775 · Headquarters: Amarillo, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Interdenominationl Ministerial Alliance

    EIN 472744767 · Headquarters: Dallas, TX, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  45. Interfaith Ministries for Greater Houston

    EIN 741488102 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Interfraternity Council - Univ of Texas

    EIN 741471313 · Headquarters: AUSTIN, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Intergroup Association Inc 115 Studio Building

    EIN 741445274 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Interna'l Assoc of Hospitality Accountan Dba Hospitality Financial & Technology

    EIN 742761039 · Headquarters: AUSTIN, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  49. Internaitonal Association of Fire Fighters

    EIN 752524309 · Headquarters: HALTOM CITY, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Internal Association of Lions 904 Greater Arlingto

    EIN 756026505 · Headquarters: ARLINGTON, TX, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  51. Internal Auditor Student Association

    EIN 934593566 · Headquarters: Edinburg, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. International Accreditayionregistra Rinc

    EIN 863636374 · Headquarters: CARROLLTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  53. International Afl-cio Iron Workers Local 135

    EIN 740706004 · Headquarters: TEXAS CITY, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. International Alliance of Theatrical Local Union 796

    EIN 946102221 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. International Alliance of Theatrical Stage Employees Local 51

    EIN 741389651 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. International Alliance of Theatrical Stage IATSE

    EIN 133631123 · Headquarters: Austin, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  57. International Alliance of Theatricalstage Employees And

    EIN 760279681 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. International Alliance Theatrical

    EIN 746060950 · Headquarters: Austin, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. International Alliance Theatrical Local 126

    EIN 756036923 · Headquarters: FORT WORTH, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. International Alliance Theatrical Local 183

    EIN 746084859 · Headquarters: Port Neches, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. International Alliance Theatrical Stage Employees & Moving Picture

    EIN 756021072 · Headquarters: WEATHERFORD, TX, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  62. International Alliance Theatrical Stage Employees and Moving Picture District 6

    EIN 752141830 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. International Asociation of Lions Clubs

    EIN 474727646 · Headquarters: Fair Oaks Ranch, TX, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  64. International Assiciation of Lions Club

    EIN 273208933 · Headquarters: Wake Village, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. International Assn of Firefighters Local 3255

    EIN 752090568 · Headquarters: Grand Prairie, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. International Assn of Lions 1360

    EIN 756050887 · Headquarters: CENTER, TX, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  67. International Assn of Lions Club

    EIN 751921990 · Headquarters: CARTHAGE, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. International Assn of Lions Clubs

    EIN 750694961 · Headquarters: PARIS, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. International Assoc of Elevator Consultants Corp

    EIN 113092516 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  70. International Assoc of Firefighters #58 Dallas

    EIN 756053261 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. International Assoc of Lions Club

    EIN 760374750 · Headquarters: Montgomery, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. International Assoc of Lions Clubs

    EIN 756050596 · Headquarters: LUBBOCK, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. International Assoc of Lions Rockwall

    EIN 756050852 · Headquarters: ROCKWALL, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. International Assoc of Lions Rowlet

    EIN 756060952 · Headquarters: ROWLETT, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. International Assocation of Fire Fighters

    EIN 921827016 · Headquarters: MINERAL WELLS, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. International Association for Exposition Management

    EIN 742805232 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. International Association for Psychoanalytic Self Psychology

    EIN 363167660 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. International Association for the Visual Arts

    EIN 746063819 · Headquarters: EL PASO, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  79. International Association of Bay City Lions

    EIN 746063345 · Headquarters: BAY CITY, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. International Association of Bridge Structural & Ornamental Ironworker Local

    EIN 740707436 · Headquarters: AUSTIN, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. International Association of Clinical Nutritionists

    EIN 592928997 · Headquarters: PLANO, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. International Association of Electrical Inspectors

    EIN 200307533 · Headquarters: RICHARDSON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. International Association of Electrical Inspectors

    EIN 746060957 · Headquarters: Pasadena, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. International Association of Equine Dentistry

    EIN 510333445 · Headquarters: San Antonio, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. International Association of Fire

    EIN 746060960 · Headquarters: Beaumont, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  86. International Association of Fire

    EIN 752426746 · Headquarters: Allen, TX, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  87. International Association of Fire

    EIN 752856183 · Headquarters: MCKINNEY, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. International Association of Fire

    EIN 756038065 · Headquarters: Arlington, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. International Association of Fire Fighter

    EIN 756053271 · Headquarters: Texarkana, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  90. International Association of Fire Fighters

    EIN 020680373 · Headquarters: Sugar Land, TX, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  91. International Association of Fire Fighters

    EIN 201557257 · Headquarters: Commerce, TX, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  92. International Association of Fire Fighters

    EIN 205899021 · Headquarters: McAllen, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  93. International Association of Fire Fighters

    EIN 237082503 · Headquarters: Cleburne, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. International Association of Fire Fighters

    EIN 237419242 · Headquarters: Plainview, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  95. International Association of Fire Fighters

    EIN 263170871 · Headquarters: Watauga, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. International Association of Fire Fighters

    EIN 270327823 · Headquarters: El Paso, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. International Association of Fire Fighters

    EIN 364481293 · Headquarters: Round Rock, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. International Association of Fire Fighters

    EIN 462699326 · Headquarters: WESLACO, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. International Association of Fire Fighters

    EIN 470905758 · Headquarters: Leander, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. International Association of Fire Fighters

    EIN 521269594 · Headquarters: brownwood, TX, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

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